package com.sl.binarytree;

/**
 * Created by lisulong on 2019/4/1.
 */
public class ListNode {
    ListNode left;
    ListNode right;
    int val;
    String strVal;
    public ListNode(int value){
        this.val=value;
    }
    public ListNode(String value,ListNode left,ListNode right){
        this.strVal=value;
        this.left=left;
        this.right=right;
    }
}
